random method

@override Future<StringResult> random(int numBytes)

Implementation

@override
Future<StringResult> random(int numBytes) async {
  final result =  await _methodChannel
      .invokeMethod<Map<dynamic, dynamic>>('random', {'numBytes': numBytes});
  if (result == null || result["value"] == null) {
    throw PlatformException(code: "random(): Error retrieving StringResult");
  }
  return StringResult(result["value"]);
}